Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 8.69
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -7.29 -0.375 2.73
Prot (kg) -8.45 -0.441 3.73
Fertility Sub Index -0.97
Calving Interval (days) 0.51 -1.459 -0.74
Survival (%) -0.20 1.117 -0.22
Calving Sub Index 0.29
Gestation Length (days) -0.32 -0.919 0.29
Beef Sub Index 0.24
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.50 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index -2.05
Live WT (kg) 6.70 -0.307 -2.05
Total Carbon Sub Index 6.20

* Based on an €80/tonne carbon price